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WiMax Operator’s Manual Building 802.16 Wireless Networks (Second Edition)
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發(fā)表于 2008-12-27 11:38:37  只看樓主 
WiMax Operator’s Manual Building 802.16 Wireless Networks (Second Edition)

Contents at a Glance
About the Author . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii
About the Technical Reviewer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .xv
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix
■CHAPTER 1 Wireless Broadband and the Standards Governing It . . . . . . . . . . . . 1
■CHAPTER 2 Architecting the Network to Fit the Business Model . . . . . . . . . . . . 13
■CHAPTER 3 Strategic Planning of Spectrum and Services . . . . . . . . . . . . . . . . . . 33
■CHAPTER 4 Setting Up Physical Infrastructure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
■CHAPTER 5 Strategies for Successful Deployment of
Physical Infrastructures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
■CHAPTER 6 Beyond Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
■CHAPTER 7 Service Deployments over Public Wireless MANs. . . . . . . . . . . . . . 153
■CHAPTER 8 Network Management and OSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
■CHAPTER 9 Network Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
■INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
vii
Contents
About the Author . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii
About the Technical Reviewer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .xv
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix
■CHAPTER 1 Wireless Broadband and the Standards Governing It . . . . . 1
Defining Wireless Broadband. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Introducing the 802.16 Standard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Introducing the Media Access Control Layer . . . . . . . . . . . . . . . . . . . . . . . . 3
Introducing the Two Physical Standards . . . . . . . . . . . . . . . . . . . . . . . 4
Introducing WiMAX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Introducing Other Wireless Broadband Standards . . . . . . . . . . . . . . . . . . . . 5
Deploying Within Urban, Suburban, and Rural Environments. . . . . . . . . . . 8
Examining the Maturity of the Technology . . . . . . . . . . . . . . . . . . . . . . . . . 10
■CHAPTER 2 Architecting the Network to Fit the Business Model . . . . . 13
Broadband Fixed Wireless: The Competitive Context . . . . . . . . . . . . . . . . 13
Circuit-Based Access Technologies . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Frame Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
DSL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Hybrid Fiber Coax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Wireless Broadband . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Determining When Broadband Wireless Is Cost Effective . . . . . . . . . . . . . 23
Total Cost of Ownership. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
How Scalable? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Service Delivery and Broadband Wireless . . . . . . . . . . . . . . . . . . . . . 27
Subscriber Density . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Local Topography and the Type and Distribution of
Man-Made Structures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Speed of Deployment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Independence from Incumbents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Making a Final Determination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
viii ■CONTENTS
■CHAPTER 3 Strategic Planning of Spectrum and Services . . . . . . . . . . . . 33
Selecting the Appropriate Spectrum to Meet the Requirements
of the Targeted Customers: Propagation Characteristics Across
the Radio Spectrum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Overview of Commercial Radio Spectrum Suitable for Broadband
Data Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Beachfront Property: The Lower Microwave Frequencies . . . . . . . . 35
Millimeter Microwave: Bandwidth at a Price . . . . . . . . . . . . . . . . . . . 36
Submillimeter Microwave: Tending Toward Light. . . . . . . . . . . . . . . 39
Free-Space Optics: Wireless Without the Radio . . . . . . . . . . . . . . . . 40
RF Orphans: The Low ISM Band and Ultrawideband . . . . . . . . . . . . 41
Licensed vs. Unlicensed Spectrum: The Operator’s Dilemma . . . . . . . . . 42
The Unlicensed Frequencies: A Matter of Peaceful Coexistence . . 42
Licensed Spectrum. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Different Uses for Different Frequencies . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Lower Microwave: Primarily a Residential and Small
Business Play . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Addressing the Bandwidth Problem in the Lower
Microwave Regions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Looking at the Range of Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Higher Microwave: Abundant Throughput Speed but Fewer
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Looking to the Future: The Importance of a Service Orientation . . . . . . . 62
■CHAPTER 4 Setting Up Physical Infrastructure . . . . . . . . . . . . . . . . . . . . . . . . 63
Looking at the Nuts and Bolts: The Issue of Carrier-Grade
Infrastructure Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Obtaining Roof Rights, Right of Way, and Access to Appropriate
Buildings at Acceptable Cost . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Central Office and Main Base Station Facilities. . . . . . . . . . . . . . . . . 65
Additional Base Stations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Backhaul . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Determining Basic Network Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Point-to-Multipoint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Point-to-Point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Point-to-Consecutive Point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Mesh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
■CONTENTS ix
Performing Site Surveys and Determining Link Budgets . . . . . . . . . . . . . 86
Determining Line of Sight and Computing Fresnel Zones . . . . . . . . 88
RF Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Analyzing the Data Stream . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Establishing the Link Budget . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Examining the Equipment Selection Process . . . . . . . . . . . . . . . . . . . . . . . 92
Generalities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Service-Related Specifics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Integrating Wireless with Wireline Infrastructure . . . . . . . . . . . . . . . . . . . . 94
Assembling the Management and Technical Teams . . . . . . . . . . . . . . . . . 95
Estimating Operating and Capital Budgets . . . . . . . . . . . . . . . . . . . . . . . . . 96
Examining Return on Investment for Wireless Broadband Networks. . . . 99
Putting Strategic Planning in Perspective . . . . . . . . . . . . . . . . . . . . . . . . . 100
■CHAPTER 5 Strategies for Successful Deployment of Physical
Infrastructures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Selecting an Appropriate Network Topology. . . . . . . . . . . . . . . . . . . . . . . 101
Deploying Minority Architectures . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Deeper into Point-to-Multipoint. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Principles of Frequency Reuse and the Technologies for Achieving It . . . 108
Use of Repeaters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Sectorization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Polarization Diversity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Cell Splitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Line of Sight and Non–Line of Sight . . . . . . . . . . . . . . . . . . . . . . . . . 112
Adaptive Modulation and Cell Planning . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Frequency-Agile Radios and Network Mapping . . . . . . . . . . . . . . . . . . . . 122
The Installation Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Frequency Converters, RF Amplifiers, Integrated
Radio/Antennas, and Radio Modems . . . . . . . . . . . . . . . . . . . . . 123
Signal Distribution Within the Subscriber Premises . . . . . . . . . . . . 124
Infrastructure for a Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
■CHAPTER 6 Beyond Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
The Place of the Central Office in the Business Case . . . . . . . . . . . . . . . 131
The Role of the Central Office . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Application-Specific Equipment for the Central Office . . . . . . . . . . 141
OSS and Network Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Security Devices and Appliances . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
x ■CONTENTS
Beyond the Central Office . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Broadband Wireless Networks in the Larger Context:
Connecting to Other Service Providers . . . . . . . . . . . . . . . . . . . . 148
The Central Office As War Room . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
■CHAPTER 7 Service Deployments over Public Wireless MANs . . . . . . . 153
Introducing the Pure Packet Services Model . . . . . . . . . . . . . . . . . . . . . . 153
The Packet Model and Converged Services . . . . . . . . . . . . . . . . . . 154
Introducing Basic Access and Best-Effort Delivery . . . . . . . . . . . . . . . . . 155
Moving Beyond Basic Access: VPNs and LAN Extension. . . . . . . . . . . . . 157
Types of VPN and the Role of Network Operator in
Administering Them . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Applications Requiring Quality of Service . . . . . . . . . . . . . . . . . . . . . . . . . 162
Marketing QoS Through Service-Level Agreements. . . . . . . . . . . . 164
Achieving QoS in Broadband Wireless Packet Networks . . . . . . . . 165
802.16 Provisions for QoS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Major Networking Standards for Supporting IP QoS. . . . . . . . . . . . 166
Other Methods for Supporting QoS. . . . . . . . . . . . . . . . . . . . . . . . . . 168
Where QoS Matters Most . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Enabling Storage Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
Getting a Services Perspective. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
■CHAPTER 8 Network Management and OSS . . . . . . . . . . . . . . . . . . . . . . . . . . 177
OSS: A Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
OSS in Perspective. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
The Anatomy of OSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
OSS for the Network Infrastructure . . . . . . . . . . . . . . . . . . . . . . . . . 179
OSS for Customer Relations and Transactions . . . . . . . . . . . . . . . . 180
OSS Software Integration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Protocols for Software Integration . . . . . . . . . . . . . . . . . . . . . . . . . . 183
OSS Application Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Summation: The Well-Managed Network . . . . . . . . . . . . . . . . . . . . . . . . . 185
■CHAPTER 9 Network Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Security Policies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Secure Electrical Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
■CONTENTS xi
Cyberwarfare . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Attacks and Counterattacks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Cybersecurity Technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Safeguarding Network Elements from Hijacking and
Malicious Code: Best Practices . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Denial-of-Service Attacks: A Special Case . . . . . . . . . . . . . . . . . . . 192
CALEA and Other Regulatory Burdens . . . . . . . . . . . . . . . . . . . . . . . 193
Network Security: Business Overhead or Another Profit Center. . . . . . . 194
■INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277

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    發(fā)表于 2009-02-04 00:29:45 
    看樓主好辛苦放了資料,
    頂!

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    發(fā)表于 2010-01-07 14:52:25 
    頂一下~~路過學(xué)習(xí)中!!

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    發(fā)表于 2010-05-13 05:47:39 
    感謝分享,樓主好運。

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